Significant points from the diagnostic field studies :
summary report,
by D.L. Woods, N.J. Rowan, and J.H. Johnson, sponsored by U.S. Bureau of Public Roads and eighteen participating States, Contract no.FH-11-7031.

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Related Names
Texas Transportation Institute
Published
Sep.1970.
Subjects
Automobile drivers.
Traffic signs.
Roads > Design.
Traffic control.
Physical Description
FOR FURTHER BIBLIOGRAPHIC INFORMATION SEE CARD CATALOG IN THE TRANSPORTATION LIBRARY.
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